.progress {
    border: 1px solid #fff;
    width: ptr(80px);
    height: ptr(18px);
    line-height: ptr(18px);
    color: #fff;
    text-align: center;
    margin: ptr(2px) ptr(10px) 0;
    position: relative;
    font-size: ptr(12px);
    .pb-bar {
        display: block;
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 0;
        height: 100%;
        background: #999;
        opacity: 0.6;
    }
}